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Differential D47714 Diff 146939 sys/kern/subr_msan.c

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sys/kern/subr_msan.c

Show First 20 Lines • Show All 173 Lines • ▼ Show 20 Lineskmsan_report_hook(const void *addr, msan_orig_t *orig, size_t size, size_t off,
char *var, *fn; char *var, *fn;
uintptr_t ptr; uintptr_t ptr;
long foff; long foff;
char buf[128]; char buf[128];
int type; int type;
if (__predict_false(KERNEL_PANICKED() || kdb_active || kmsan_reporting)) if (__predict_false(KERNEL_PANICKED() || kdb_active || kmsan_reporting))
return; return;
if (__predict_false(curthread != NULL &&
(curthread->td_pflags2 & TDP2_SAN_QUIET) != 0))
return;
kmsan_reporting = true; kmsan_reporting = true;
__compiler_membar(); __compiler_membar();
if (*orig == 0) { if (*orig == 0) {
REPORT("MSan: Uninitialized memory in %s, offset %zu", REPORT("MSan: Uninitialized memory in %s, offset %zu",
hook, off); hook, off);
goto out; goto out;
Show All 36 Lineskmsan_report_inline(msan_orig_t orig, unsigned long pc)
const char *typename; const char *typename;
char *var, *fn; char *var, *fn;
uintptr_t ptr; uintptr_t ptr;
char buf[128]; char buf[128];
long foff; long foff;
int type; int type;
if (__predict_false(KERNEL_PANICKED() || kdb_active || kmsan_reporting)) if (__predict_false(KERNEL_PANICKED() || kdb_active || kmsan_reporting))
return;
if (__predict_false(curthread != NULL &&
(curthread->td_pflags2 & TDP2_SAN_QUIET) != 0))
return; return;
kmsan_reporting = true; kmsan_reporting = true;
__compiler_membar(); __compiler_membar();
if (orig == 0) { if (orig == 0) {
REPORT("MSan: uninitialized variable in %p", (void *)pc); REPORT("MSan: uninitialized variable in %p", (void *)pc);
goto out; goto out;
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